Re: [PATCH V2] cpuidle: Handle tick_broadcast_enter() failure gracefully

2015-05-08 Thread Preeti U Murthy
On 05/08/2015 02:20 AM, Rafael J. Wysocki wrote: > On Thursday, May 07, 2015 11:17:21 PM Preeti U Murthy wrote: >> When a CPU has to enter an idle state where tick stops, it makes a call >> to tick_broadcast_enter(). The call will fail if this CPU is the >> broadcast CPU. Today, under such a circum

Re: [PATCH V2] cpuidle: Handle tick_broadcast_enter() failure gracefully

2015-05-07 Thread Rafael J. Wysocki
On Thursday, May 07, 2015 11:17:21 PM Preeti U Murthy wrote: > When a CPU has to enter an idle state where tick stops, it makes a call > to tick_broadcast_enter(). The call will fail if this CPU is the > broadcast CPU. Today, under such a circumstance, the arch cpuidle code > handles this CPU. Thi

[PATCH V2] cpuidle: Handle tick_broadcast_enter() failure gracefully

2015-05-07 Thread Preeti U Murthy
When a CPU has to enter an idle state where tick stops, it makes a call to tick_broadcast_enter(). The call will fail if this CPU is the broadcast CPU. Today, under such a circumstance, the arch cpuidle code handles this CPU. This is not convincing because not only are we not aware what the arch c